May Weather in Omu, Japan

Last updated: August 23, 2025

In Omu, Japan, the average temperature in May hovers around 10°C (51°F), with a minimum of 0°C (33°F) and a pleasant maximum of 28°C (82°F). Expect a total precipitation of 87 mm (3.4 in) over about 12 days, coupled with a high average humidity of 88%. Perfect for cozy indoor activities or splashing in the rain!

May Temperature in Omu

In May in Omu, the average temperature is 10°C (51°F). Maximums can reach 28°C (82°F), and minimums can be as low as 0°C (33°F). This variation in temperature makes Omu ideal for travelers seeking both moderate weather and the opportunity to enjoy a range of outdoor activities.

May Weather in Omu: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Omu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omu, May typically has an average temperature of 10°C (51°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (33°F).

Data source: Temperature data for Omu generated using information from the Copernicus Climate Change Service.

May Precipitation in Omu

In Omu in May, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

May Precipitation Trends in Omu

The chart displays monthly precipitation patterns in Omu, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Omu, May typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Omu

In Omu in May, humidity is 88%. With an average temperature of 10°C (51°F), this humidity feels like a thick blanket of moisture enveloping you, making every step feel heavier and leaving you yearning for a refreshing breeze as you navigate the streets.

May Average Humidity in Omu

This chart illustrates the average monthly humidity levels in Omu, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Omu is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Omu

In Omu in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Omu.

Maximum UV Index Levels in Omu for May

The chart shows the monthly maximum UV Index (UVI) for Omu in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Omu typically reaches 8, which falls under the very high exposure category.

Data source: Omu May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Omu Compares to Other Months

Weather in Omu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Omu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Omu, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	63 mm (2.5 inches)	87%	low
February Weather	-6°C (21°F)	63 mm (2.5 inches)	86%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	85%	high
April Weather	4°C (40°F)	60 mm (2.3 inches)	85%	high
May Weather	10°C (51°F)	87 mm (3.4 inches)	88%	very high
June Weather	13°C (56°F)	88 mm (3.5 inches)	88%	very high
July Weather	18°C (65°F)	82 mm (3.2 inches)	93%	very high
August Weather	19°C (66°F)	157 mm (6.2 inches)	95%	very high
September Weather	17°C (62°F)	80 mm (3.1 inches)	88%	high
October Weather	11°C (51°F)	134 mm (5.3 inches)	80%	moderate
November Weather	4°C (39°F)	102 mm (4.0 inches)	78%	moderate
December Weather	-3°C (27°F)	69 mm (2.7 inches)	82%	low